258013670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 473441760

約数和(自身を除く): 215428090

約数列:

[1, 2, 5, 10, 89, 131, 178, 262, 445, 655, 890, 1310, 2213, 4426, 11065, 11659, 22130, 23318, 58295, 116590, 196957, 289903, 393914, 579806, 984785, 1449515, 1969570, 2899030, 25801367, 51602734, 129006835, 258013670]

約数ペア:

[(1, 258013670), (2, 129006835), (5, 51602734), (10, 25801367), (89, 2899030), (131, 1969570), (178, 1449515), (262, 984785), (445, 579806), (655, 393914), (890, 289903), (1310, 196957), (2213, 116590), (4426, 58295), (11065, 23318), (11659, 22130)]